Lizatech 720p WiFi Smart Doorbell

Wireless Battery Powered Smart Video Doorbell
Low power consumption, 8-10 Month's battery life (2 × 18650 Batteries)
HD 720P Video Quality, support night vision, camera view angle covers 166°
WDR, HLC, BLC, Motion Compensation, Quick Access by Smartphone
PIR motion sensor with 120° detection angle, accurate motion detection
Support WiFi, Free P2P cloud service, push alarm to mobile via APP.
Support 2-way audio communication, answer your door wherever you are.
Dimensions: L75mm x W40mm x H143mm